Amazon has replaced the Pre-order button for my book with Add to Cart. To celebrate, I created a word cloud of the entire book using wordle.net and a python script. Here’s the word cloud:

I love that “API” got nestled into “ES”. To create the word cloud, I first ran a little python script against the book’s DocBook source. The script simply extracts content from para elements. If I don’t do this, the word cloud contains all the sample code and represents words like const in huge, overwhelming text. (I tried it, trust me.) Anyway here’s the script: